A218869 - OEIS

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A218869 as a triangular array

2

2 0

4 2 0

6 4 2 0

12 12 4 2 0

20 20 8 4 2 0

40 52 20 8 4 2 0

74 100 36 16 8 4 2 0

148 214 76 36 16 8 4 2 0

286 414 160 68 32 16 8 4 2 0

572 876 328 140 68 32 16 8 4 2 0

1124 1722 640 276 132 64 32 16 8 4 2 0

A218869 as a square array

`2`	`2`	`4`	`6`	`12`	`20`	`40`	`74`	`148`	`286`	`572`	`1124`
`0`	`2`	`4`	`12`	`20`	`52`	`100`	`214`	`414`	`876`	`1722`
`0`	`2`	`4`	`8`	`20`	`36`	`76`	`160`	`328`	`640`
`0`	`2`	`4`	`8`	`16`	`36`	`68`	`140`	`276`
`0`	`2`	`4`	`8`	`16`	`32`	`68`	`132`
`0`	`2`	`4`	`8`	`16`	`32`	`64`
`0`	`2`	`4`	`8`	`16`	`32`
`0`	`2`	`4`	`8`	`16`
`0`	`2`	`4`	`8`
`0`	`2`	`4`
`0`	`2`
`0`

A218869 as an upper right triangle

`2`	`2`	`4`	`6`	`12`	`20`	`40`	`74`	`148`	`286`	`572`	`1124`
	`0`	`2`	`4`	`12`	`20`	`52`	`100`	`214`	`414`	`876`	`1722`
		`0`	`2`	`4`	`8`	`20`	`36`	`76`	`160`	`328`	`640`
			`0`	`2`	`4`	`8`	`16`	`36`	`68`	`140`	`276`
				`0`	`2`	`4`	`8`	`16`	`32`	`68`	`132`
					`0`	`2`	`4`	`8`	`16`	`32`	`64`
						`0`	`2`	`4`	`8`	`16`	`32`
							`0`	`2`	`4`	`8`	`16`
								`0`	`2`	`4`	`8`
									`0`	`2`	`4`
										`0`	`2`
											`0`

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)